Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David R. Smith0
David Schurig0
Date of Patent
February 21, 2012
0Patent Application Number
123953680
Date Filed
February 27, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A compensating multi layer material includes two compensating layers adjacent to one another. A multi-layer embodiment of the invention produces sub-wavelength near-field focusing, but mitigates the thickness and loss limitations of the isotropic “perfect lens.” An antenna substrate comprises an indefinite material.
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